Coefficient of Conservatism:
*
Coefficient of Wetness:
3
Wetness Index:
FACU
Physiognomy:
Ad Tree
A. A. Reznicek
branch
Very locally spreading into fields and open forests. A native of western North America, but the var. glauca (Mayr) Franco of the Rocky Mountains is commonly planted in Michigan both for ornament and in plantations. First collected as an apparent escape in 1961 in Genesee Co.
Locations
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Allegan County
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Berrien County
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Genesee County
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Ingham County
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Mason County
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Ottawa County
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Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. May 25, 2019. https://michiganflora.net/species.aspx?id=2845.